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Colorbook
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Color Information

Blue

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#5BB5E6
RGB Values
91, 181, 230
HSL Values
201°, 74%, 63%
CMYK Values
60%, 21%, 0%, 10%

Color Variations & Tints

  • #9DD3F0

    Lightness: 78%

  • #87C9ED

    Lightness: 73%

  • #71C0EA

    Lightness: 68%

  • #5BB5E6

    Lightness: 63%

    Current color

  • #45ACE3

    Lightness: 58%

  • #2EA2E0

    Lightness: 53%

  • #2096D5

    Lightness: 48%

Accessibility

White Text
2.3
FAIL
Black Text
9.2
PASS
WCAG AA
PASS
WCAG AAA
PASS

Accessibility Guide

Contrast Ratios
Higher values (4.5+) ensure better readability for users with visual impairments.
WCAG AA Standard
Minimum requirement: 4.5:1 contrast for normal text, 3:1 for large text.
WCAG AAA Standard
Enhanced level: 7:1 contrast for normal text, 4.5:1 for large text.

Color Harmonies

  • Complementary

    Colors opposite on the color wheel, creating high contrast

  • Triadic

    Three evenly spaced colors forming a triangle on the color wheel

  • Analogous

    Adjacent colors on the color wheel, creating harmony and unity

Be picky and fine tune your color: colors very near to #5BB5E6

Systematic progression of extremely similar colors. Each color represents a precise step in lightness variation.

Current: #5BB5E6

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